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5 Written questions

5 Matching questions

  1. Synthesis
  2. Exothermic Reaction
  3. What silly name helps you remember the diatomics
  4. Combustion
  5. Physical Change
  1. a A Chemical Reaction in which two or more simple substances combine to form a new, more complex substance
  2. b HINCL BROF
  3. c Any Change that alters the form or appearance of a substance but that doesn't make the substance into another substance
  4. d A rapid reaction between oxygen and fuel that results in fire
  5. e A Reaction that releases energy in the form of heat

5 Multiple choice questions

  1. A change in matter that produces one ore more new substances
  2. proteins that act as biological catalysts and lower the activation energy of reactions in cells
  3. The study of matter and how matter changes
  4. The amount of a substance in a given volume
  5. Matter can enter or escape to the surroundings

5 True/False questions

  1. FuelA material that releases energy when it burns

          

  2. CatalystA material that increases the rate of a reaction by lowering the activation energy

          

  3. Chemical PropertyA Characteristic of a substance that describes its ability to change into another substance

          

  4. Activation energyA Characteristic of a substance that describes its ability to change into another substance

          

  5. Closed SystemMatter can enter or escape to the surroundings